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43935601f1
!type metadata can not be dropped. An alternative to this is adding !type metadata from the replaced globals to the replacement, but that may weaken type tests and make them slower at the same time. The merged global gets !dbg metadata from replaced globals, and can end up with multiple debug locations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@297327 91177308-0d34-0410-b5e6-96231b3b80d8
33 lines
1.3 KiB
LLVM
33 lines
1.3 KiB
LLVM
; RUN: opt < %s -constmerge -S | FileCheck %s
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; CHECK: = constant i32 1, !dbg [[A:![0-9]+]], !dbg [[B:![0-9]+]]
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@a = internal constant i32 1, !dbg !0
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@b = unnamed_addr constant i32 1, !dbg !9
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define void @test1(i32** %P1, i32** %P2) {
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store i32* @a, i32** %P1
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store i32* @b, i32** %P2
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ret void
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}
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!7, !8}
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; CHECK: [[A]] = !DIGlobalVariableExpression(var: [[VA:![0-9]+]])
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; CHECK: [[VA]] = distinct !DIGlobalVariable(name: "y"
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; CHECK: [[B]] = !DIGlobalVariableExpression(var: [[VB:![0-9]+]])
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; CHECK: [[VB]] = distinct !DIGlobalVariable(name: "x"
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!0 = !DIGlobalVariableExpression(var: !1)
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!1 = distinct !DIGlobalVariable(name: "x", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 5.0.0 (trunk 297227) (llvm/trunk 297234)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
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!3 = !DIFile(filename: "1.cc", directory: "/build")
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!4 = !{}
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!5 = !{!0}
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!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!7 = !{i32 2, !"Dwarf Version", i32 4}
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!8 = !{i32 2, !"Debug Info Version", i32 3}
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!9 = !DIGlobalVariableExpression(var: !10)
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!10 = distinct !DIGlobalVariable(name: "y", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true)
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